Home / 1,240,848-1,860,690.70-521,036.08

Finding the Fourth Proportional to 1,240,848, 1,860,690.70 and 521,036.08

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Solution

The fourth proportional to 1,240,848, 1,860,690.70 and 521,036.08 is: 781,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,848 : 1,860,690.70 = 521,036.08 : x
  2. Step 2: Convert to fraction form
    1,240,848/1,860,690.70 = 521,036.08/x
  3. Step 3: Cross multiply
    1,240,848x = 1,860,690.70 × 521,036.08
  4. Step 4: Simplify right side
    1,240,848x = 969,486,988,420.46
  5. Step 5: Solve for x
    x = 969,486,988,420.46/1,240,848
  6. Step 6: Final answer
    x = 781,310.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.